Finding the Fourth Proportional to 219,320.13, 302,662.70 and 118,718.13
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Solution
The fourth proportional to 219,320.13, 302,662.70 and 118,718.13 is: 163,831.52
Step by Step Solution
- Step 1: Write the proportion equation
219,320.13 : 302,662.70 = 118,718.13 : x - Step 2: Convert to fraction form
219,320.13/302,662.70 = 118,718.13/x - Step 3: Cross multiply
219,320.13x = 302,662.70 × 118,718.13 - Step 4: Simplify right side
219,320.13x = 35,931,549,764.75 - Step 5: Solve for x
x = 35,931,549,764.75/219,320.13 - Step 6: Final answer
x = 163,831.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.